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<FONT color="green">001</FONT>    package metaface.client;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import java.io.*;<a name="line.3"></a>
<FONT color="green">004</FONT>    import java.util.*;<a name="line.4"></a>
<FONT color="green">005</FONT>    import java.net.*;<a name="line.5"></a>
<FONT color="green">006</FONT>    import java.awt.*;<a name="line.6"></a>
<FONT color="green">007</FONT>    import java.awt.geom.*;<a name="line.7"></a>
<FONT color="green">008</FONT>    import java.awt.image.*;<a name="line.8"></a>
<FONT color="green">009</FONT>    import javax.swing.JTextArea;<a name="line.9"></a>
<FONT color="green">010</FONT>    import javax.sound.sampled.*;<a name="line.10"></a>
<FONT color="green">011</FONT>    import javax.swing.*;<a name="line.11"></a>
<FONT color="green">012</FONT>    import java.awt.event.*;<a name="line.12"></a>
<FONT color="green">013</FONT>    import netscape.javascript.*;<a name="line.13"></a>
<FONT color="green">014</FONT>    import com.sun.image.codec.jpeg.*;<a name="line.14"></a>
<FONT color="green">015</FONT>    import metaface.mpeg4.*;<a name="line.15"></a>
<FONT color="green">016</FONT>    import metaface.interaction.*;<a name="line.16"></a>
<FONT color="green">017</FONT>    import metaface.embodiment.*;<a name="line.17"></a>
<FONT color="green">018</FONT>    import metaface.dsp.*;<a name="line.18"></a>
<FONT color="green">019</FONT>    <a name="line.19"></a>
<FONT color="green">020</FONT>    /**<a name="line.20"></a>
<FONT color="green">021</FONT>     *  This class allows communication with a MetaFace framework server via HTTP.&lt;p><a name="line.21"></a>
<FONT color="green">022</FONT>     *<a name="line.22"></a>
<FONT color="green">023</FONT>     *  Traditional HTTP communication follows these steps: &lt;br/><a name="line.23"></a>
<FONT color="green">024</FONT>     *  &lt;menu><a name="line.24"></a>
<FONT color="green">025</FONT>     *  &lt;li> 1. Client sends a request to the HTTP Server&lt;/li><a name="line.25"></a>
<FONT color="green">026</FONT>     *  &lt;li> 2. The HTTP server retrieves the HTML data&lt;/li><a name="line.26"></a>
<FONT color="green">027</FONT>     *  &lt;li> 3. The HTTP server then sends the data in response&lt;/li> &lt;/menu> &lt;p><a name="line.27"></a>
<FONT color="green">028</FONT>     *<a name="line.28"></a>
<FONT color="green">029</FONT>     *  &lt;IMG SRC="../../resources/http.jpg"/>&lt;p><a name="line.29"></a>
<FONT color="green">030</FONT>     *<a name="line.30"></a>
<FONT color="green">031</FONT>     *  User stimulus is sent to the HTTP MetaFace server via multplexing and MetaFace<a name="line.31"></a>
<FONT color="green">032</FONT>     *  framework headers&lt;p><a name="line.32"></a>
<FONT color="green">033</FONT>     *<a name="line.33"></a>
<FONT color="green">034</FONT>     *  &lt;IMG SRC="../../resources/multiplexing.jpg"/><a name="line.34"></a>
<FONT color="green">035</FONT>     *<a name="line.35"></a>
<FONT color="green">036</FONT>     *@author     Simon Beard<a name="line.36"></a>
<FONT color="green">037</FONT>     *@version    1.0<a name="line.37"></a>
<FONT color="green">038</FONT>     */<a name="line.38"></a>
<FONT color="green">039</FONT>    public class MetaFaceHTTPClient extends MetaFaceClient implements HTTPListener, Runnable {<a name="line.39"></a>
<FONT color="green">040</FONT>            /**<a name="line.40"></a>
<FONT color="green">041</FONT>             *  Incoming data is a FAP<a name="line.41"></a>
<FONT color="green">042</FONT>             */<a name="line.42"></a>
<FONT color="green">043</FONT>            public final static int FAP = 1;<a name="line.43"></a>
<FONT color="green">044</FONT>            /**<a name="line.44"></a>
<FONT color="green">045</FONT>             *  Incoming data is a phoneme<a name="line.45"></a>
<FONT color="green">046</FONT>             */<a name="line.46"></a>
<FONT color="green">047</FONT>            public final static int PHONEMES = 2;<a name="line.47"></a>
<FONT color="green">048</FONT>            /**<a name="line.48"></a>
<FONT color="green">049</FONT>             *  Incoming data is text<a name="line.49"></a>
<FONT color="green">050</FONT>             */<a name="line.50"></a>
<FONT color="green">051</FONT>            public final static int TEXT = 3;<a name="line.51"></a>
<FONT color="green">052</FONT>            /**<a name="line.52"></a>
<FONT color="green">053</FONT>             *  Incoming data is an URL<a name="line.53"></a>
<FONT color="green">054</FONT>             */<a name="line.54"></a>
<FONT color="green">055</FONT>            public final static int HTMLREF = 4;<a name="line.55"></a>
<FONT color="green">056</FONT>            /**<a name="line.56"></a>
<FONT color="green">057</FONT>             *  Incoming data is of an active type<a name="line.57"></a>
<FONT color="green">058</FONT>             */<a name="line.58"></a>
<FONT color="green">059</FONT>            public final static int ACTIVE = 5;<a name="line.59"></a>
<FONT color="green">060</FONT>            /**<a name="line.60"></a>
<FONT color="green">061</FONT>             *  Incoming data is an MPEG-4 header<a name="line.61"></a>
<FONT color="green">062</FONT>             */<a name="line.62"></a>
<FONT color="green">063</FONT>            public final static int HEADER = 6;<a name="line.63"></a>
<FONT color="green">064</FONT>            /**<a name="line.64"></a>
<FONT color="green">065</FONT>             *  Outgoing data is a starting sequence<a name="line.65"></a>
<FONT color="green">066</FONT>             */<a name="line.66"></a>
<FONT color="green">067</FONT>            public final static int START = 7;<a name="line.67"></a>
<FONT color="green">068</FONT>            /**<a name="line.68"></a>
<FONT color="green">069</FONT>             *  Incoming data is unknown<a name="line.69"></a>
<FONT color="green">070</FONT>             */<a name="line.70"></a>
<FONT color="green">071</FONT>            public final static int UNKNOWN = -1;<a name="line.71"></a>
<FONT color="green">072</FONT>            /**<a name="line.72"></a>
<FONT color="green">073</FONT>             *  The HTTP client<a name="line.73"></a>
<FONT color="green">074</FONT>             */<a name="line.74"></a>
<FONT color="green">075</FONT>            private HTTPClient _client;<a name="line.75"></a>
<FONT color="green">076</FONT>            /**<a name="line.76"></a>
<FONT color="green">077</FONT>             *  Dialogue input field<a name="line.77"></a>
<FONT color="green">078</FONT>             */<a name="line.78"></a>
<FONT color="green">079</FONT>            private JTextField fromClient;<a name="line.79"></a>
<FONT color="green">080</FONT>            /**<a name="line.80"></a>
<FONT color="green">081</FONT>             *  Incoming data type<a name="line.81"></a>
<FONT color="green">082</FONT>             */<a name="line.82"></a>
<FONT color="green">083</FONT>            private final static int datatype = UNKNOWN;<a name="line.83"></a>
<FONT color="green">084</FONT>            /**<a name="line.84"></a>
<FONT color="green">085</FONT>             *  Are there incoming FAPs ?<a name="line.85"></a>
<FONT color="green">086</FONT>             */<a name="line.86"></a>
<FONT color="green">087</FONT>            private boolean fapincoming;<a name="line.87"></a>
<FONT color="green">088</FONT>            /**<a name="line.88"></a>
<FONT color="green">089</FONT>             *  Are there incoming phonemes ?<a name="line.89"></a>
<FONT color="green">090</FONT>             */<a name="line.90"></a>
<FONT color="green">091</FONT>            private boolean phonemeincoming;<a name="line.91"></a>
<FONT color="green">092</FONT>            /**<a name="line.92"></a>
<FONT color="green">093</FONT>             *  Is the phoneme buffer empty<a name="line.93"></a>
<FONT color="green">094</FONT>             */<a name="line.94"></a>
<FONT color="green">095</FONT>            private boolean phonemebufferempty;<a name="line.95"></a>
<FONT color="green">096</FONT>            /**<a name="line.96"></a>
<FONT color="green">097</FONT>             *  Are incoming FAPs to be ignored ?<a name="line.97"></a>
<FONT color="green">098</FONT>             */<a name="line.98"></a>
<FONT color="green">099</FONT>            private boolean ignoreIncomingFAPData;<a name="line.99"></a>
<FONT color="green">100</FONT>            /**<a name="line.100"></a>
<FONT color="green">101</FONT>             *  Are incoming phonemes to be ignored ?<a name="line.101"></a>
<FONT color="green">102</FONT>             */<a name="line.102"></a>
<FONT color="green">103</FONT>            private boolean ignoreIncomingPhData;<a name="line.103"></a>
<FONT color="green">104</FONT>            /**<a name="line.104"></a>
<FONT color="green">105</FONT>             *  Set when client exits<a name="line.105"></a>
<FONT color="green">106</FONT>             */<a name="line.106"></a>
<FONT color="green">107</FONT>            private boolean exit;<a name="line.107"></a>
<FONT color="green">108</FONT>            /**<a name="line.108"></a>
<FONT color="green">109</FONT>             *  Incoming faps<a name="line.109"></a>
<FONT color="green">110</FONT>             */<a name="line.110"></a>
<FONT color="green">111</FONT>            private Vector catchfaps = new Vector();<a name="line.111"></a>
<FONT color="green">112</FONT>            /**<a name="line.112"></a>
<FONT color="green">113</FONT>             *  Incoming phonemes<a name="line.113"></a>
<FONT color="green">114</FONT>             */<a name="line.114"></a>
<FONT color="green">115</FONT>            private Vector catchaudio = new Vector();<a name="line.115"></a>
<FONT color="green">116</FONT>            /**<a name="line.116"></a>
<FONT color="green">117</FONT>             *  The last fap (use for transitioning)<a name="line.117"></a>
<FONT color="green">118</FONT>             */<a name="line.118"></a>
<FONT color="green">119</FONT>            private FAPData lastcaughtfap = new FAPData();<a name="line.119"></a>
<FONT color="green">120</FONT>            /**<a name="line.120"></a>
<FONT color="green">121</FONT>             *  The MPEG-4 header<a name="line.121"></a>
<FONT color="green">122</FONT>             */<a name="line.122"></a>
<FONT color="green">123</FONT>            private boolean header;<a name="line.123"></a>
<FONT color="green">124</FONT>            /**<a name="line.124"></a>
<FONT color="green">125</FONT>             *  Output debug information to console<a name="line.125"></a>
<FONT color="green">126</FONT>             */<a name="line.126"></a>
<FONT color="green">127</FONT>            private boolean debug = false;<a name="line.127"></a>
<FONT color="green">128</FONT>    <a name="line.128"></a>
<FONT color="green">129</FONT>    <a name="line.129"></a>
<FONT color="green">130</FONT>            /**<a name="line.130"></a>
<FONT color="green">131</FONT>             *  Constructor for the MetaFaceHTTPClient object<a name="line.131"></a>
<FONT color="green">132</FONT>             *<a name="line.132"></a>
<FONT color="green">133</FONT>             *@param  dsp          The TTS DSP to be used by the client in synthesising speech audio<a name="line.133"></a>
<FONT color="green">134</FONT>             *@param  drawingarea  The MPEG-4 face rendering panel<a name="line.134"></a>
<FONT color="green">135</FONT>             *@param  win          The JSObject window used to access the web browser<a name="line.135"></a>
<FONT color="green">136</FONT>             *@param  url          The URL of the HTTP MetaFace server<a name="line.136"></a>
<FONT color="green">137</FONT>             *@param  ib           The idle time behaviour to be used<a name="line.137"></a>
<FONT color="green">138</FONT>             */<a name="line.138"></a>
<FONT color="green">139</FONT>            public MetaFaceHTTPClient(DigitalSignalProcessor dsp, DrawingArea drawingarea, JSObject win, String url, IdleBehaviour ib) {<a name="line.139"></a>
<FONT color="green">140</FONT>                    super(dsp, drawingarea, win, ib);<a name="line.140"></a>
<FONT color="green">141</FONT>                    <a name="line.141"></a>
<FONT color="green">142</FONT>                    //Set state variables<a name="line.142"></a>
<FONT color="green">143</FONT>                    ignoreIncomingFAPData = false;<a name="line.143"></a>
<FONT color="green">144</FONT>                    ignoreIncomingPhData = false;<a name="line.144"></a>
<FONT color="green">145</FONT>                    fapincoming = true;<a name="line.145"></a>
<FONT color="green">146</FONT>                    phonemeincoming = true;<a name="line.146"></a>
<FONT color="green">147</FONT>                    phonemebufferempty = false;<a name="line.147"></a>
<FONT color="green">148</FONT>                    exit = false;<a name="line.148"></a>
<FONT color="green">149</FONT>                    <a name="line.149"></a>
<FONT color="green">150</FONT>                    //Construct HTTP client<a name="line.150"></a>
<FONT color="green">151</FONT>                    _client = new HTTPClient(url);<a name="line.151"></a>
<FONT color="green">152</FONT>                    try {<a name="line.152"></a>
<FONT color="green">153</FONT>                            _client.addHTTPListener(this);<a name="line.153"></a>
<FONT color="green">154</FONT>                    } catch (TooManyListenersException e) {<a name="line.154"></a>
<FONT color="green">155</FONT>                            System.err.println("Error adding http listener");<a name="line.155"></a>
<FONT color="green">156</FONT>                            e.printStackTrace();<a name="line.156"></a>
<FONT color="green">157</FONT>                    }<a name="line.157"></a>
<FONT color="green">158</FONT>                    header = false;<a name="line.158"></a>
<FONT color="green">159</FONT>                    new Thread(this).start();<a name="line.159"></a>
<FONT color="green">160</FONT>            }<a name="line.160"></a>
<FONT color="green">161</FONT>    <a name="line.161"></a>
<FONT color="green">162</FONT>    <a name="line.162"></a>
<FONT color="green">163</FONT>            /**<a name="line.163"></a>
<FONT color="green">164</FONT>             *  Sets the debug attribute of the MetaFaceHTTPClient object<a name="line.164"></a>
<FONT color="green">165</FONT>             *<a name="line.165"></a>
<FONT color="green">166</FONT>             *@param  flag  The new debug value<a name="line.166"></a>
<FONT color="green">167</FONT>             */<a name="line.167"></a>
<FONT color="green">168</FONT>            public void setDebug(boolean flag) {<a name="line.168"></a>
<FONT color="green">169</FONT>                    debug = flag;<a name="line.169"></a>
<FONT color="green">170</FONT>            }<a name="line.170"></a>
<FONT color="green">171</FONT>    <a name="line.171"></a>
<FONT color="green">172</FONT>    <a name="line.172"></a>
<FONT color="green">173</FONT>            /**<a name="line.173"></a>
<FONT color="green">174</FONT>             *  User stimulus has been recieved and this method is called. Usually to<a name="line.174"></a>
<FONT color="green">175</FONT>             *  process natural language or hypertext interaction stimulus<a name="line.175"></a>
<FONT color="green">176</FONT>             *<a name="line.176"></a>
<FONT color="green">177</FONT>             *@param  usertext  The stimulus<a name="line.177"></a>
<FONT color="green">178</FONT>             */<a name="line.178"></a>
<FONT color="green">179</FONT>            public synchronized void processUserStimulus(String usertext) {<a name="line.179"></a>
<FONT color="green">180</FONT>                    if (debug) {<a name="line.180"></a>
<FONT color="green">181</FONT>                            System.out.println("sending " + usertext);<a name="line.181"></a>
<FONT color="green">182</FONT>                    }<a name="line.182"></a>
<FONT color="green">183</FONT>                    sendData(usertext.trim());<a name="line.183"></a>
<FONT color="green">184</FONT>            }<a name="line.184"></a>
<FONT color="green">185</FONT>    <a name="line.185"></a>
<FONT color="green">186</FONT>    <a name="line.186"></a>
<FONT color="green">187</FONT>            /**<a name="line.187"></a>
<FONT color="green">188</FONT>             *  This method is called when the client exits<a name="line.188"></a>
<FONT color="green">189</FONT>             */<a name="line.189"></a>
<FONT color="green">190</FONT>            public synchronized void exit() {<a name="line.190"></a>
<FONT color="green">191</FONT>                    if (debug) {<a name="line.191"></a>
<FONT color="green">192</FONT>                            System.out.println("client exiting");<a name="line.192"></a>
<FONT color="green">193</FONT>                    }<a name="line.193"></a>
<FONT color="green">194</FONT>                    exit = true;<a name="line.194"></a>
<FONT color="green">195</FONT>                    sendData("_exit_");<a name="line.195"></a>
<FONT color="green">196</FONT>            }<a name="line.196"></a>
<FONT color="green">197</FONT>    <a name="line.197"></a>
<FONT color="green">198</FONT>    <a name="line.198"></a>
<FONT color="green">199</FONT>            /**<a name="line.199"></a>
<FONT color="green">200</FONT>             *  This method is called when the client starts<a name="line.200"></a>
<FONT color="green">201</FONT>             */<a name="line.201"></a>
<FONT color="green">202</FONT>            public void startClient() {<a name="line.202"></a>
<FONT color="green">203</FONT>                    if (debug) {<a name="line.203"></a>
<FONT color="green">204</FONT>                            System.out.println("starting client");<a name="line.204"></a>
<FONT color="green">205</FONT>                    }<a name="line.205"></a>
<FONT color="green">206</FONT>                    ignoreIncomingFAPData = false;<a name="line.206"></a>
<FONT color="green">207</FONT>                    ignoreIncomingPhData = false;<a name="line.207"></a>
<FONT color="green">208</FONT>            }<a name="line.208"></a>
<FONT color="green">209</FONT>    <a name="line.209"></a>
<FONT color="green">210</FONT>    <a name="line.210"></a>
<FONT color="green">211</FONT>            /**<a name="line.211"></a>
<FONT color="green">212</FONT>             *  Main processing method for the MetaFaceIndependentClient object. Rendering<a name="line.212"></a>
<FONT color="green">213</FONT>             *  and polling (of browser and HTTP connection) is conducted by a thread.<a name="line.213"></a>
<FONT color="green">214</FONT>             */<a name="line.214"></a>
<FONT color="green">215</FONT>            public void run() {<a name="line.215"></a>
<FONT color="green">216</FONT>    <a name="line.216"></a>
<FONT color="green">217</FONT>                    //Wait until pending socket connected<a name="line.217"></a>
<FONT color="green">218</FONT>                    while (!_client.pending) {<a name="line.218"></a>
<FONT color="green">219</FONT>                            try {<a name="line.219"></a>
<FONT color="green">220</FONT>                                    Thread.yield();<a name="line.220"></a>
<FONT color="green">221</FONT>                                    Thread.sleep(20);<a name="line.221"></a>
<FONT color="green">222</FONT>                            } catch (Exception e) {<a name="line.222"></a>
<FONT color="green">223</FONT>                                    System.out.println("error " + e);<a name="line.223"></a>
<FONT color="green">224</FONT>                                    e.printStackTrace();<a name="line.224"></a>
<FONT color="green">225</FONT>                            }<a name="line.225"></a>
<FONT color="green">226</FONT>                    }<a name="line.226"></a>
<FONT color="green">227</FONT>    <a name="line.227"></a>
<FONT color="green">228</FONT>                    //Send starting sequence to server<a name="line.228"></a>
<FONT color="green">229</FONT>                    sendData("_start_");<a name="line.229"></a>
<FONT color="green">230</FONT>                    while (!header) {<a name="line.230"></a>
<FONT color="green">231</FONT>                            try {<a name="line.231"></a>
<FONT color="green">232</FONT>                                    Thread.yield();<a name="line.232"></a>
<FONT color="green">233</FONT>                                    Thread.sleep(20);<a name="line.233"></a>
<FONT color="green">234</FONT>                            } catch (Exception e) {<a name="line.234"></a>
<FONT color="green">235</FONT>                                    System.out.println("error " + e);<a name="line.235"></a>
<FONT color="green">236</FONT>                                    e.printStackTrace();<a name="line.236"></a>
<FONT color="green">237</FONT>                            }<a name="line.237"></a>
<FONT color="green">238</FONT>                    }<a name="line.238"></a>
<FONT color="green">239</FONT>    <a name="line.239"></a>
<FONT color="green">240</FONT>                    while (!exit) {<a name="line.240"></a>
<FONT color="green">241</FONT>                            <a name="line.241"></a>
<FONT color="green">242</FONT>                            //Check if idle and do behaviour<a name="line.242"></a>
<FONT color="green">243</FONT>                            idleBufferingScheme();<a name="line.243"></a>
<FONT color="green">244</FONT>                            <a name="line.244"></a>
<FONT color="green">245</FONT>                            //Render ECA<a name="line.245"></a>
<FONT color="green">246</FONT>                            renderAnimation();<a name="line.246"></a>
<FONT color="green">247</FONT>                            <a name="line.247"></a>
<FONT color="green">248</FONT>                            //Play phonemes<a name="line.248"></a>
<FONT color="green">249</FONT>                            playAudio();<a name="line.249"></a>
<FONT color="green">250</FONT>                            <a name="line.250"></a>
<FONT color="green">251</FONT>                            //Poll for changes to web browser<a name="line.251"></a>
<FONT color="green">252</FONT>                            pollWebPages();<a name="line.252"></a>
<FONT color="green">253</FONT>                            <a name="line.253"></a>
<FONT color="green">254</FONT>                            //Sleep to allow other threads to execute<a name="line.254"></a>
<FONT color="green">255</FONT>                            try {<a name="line.255"></a>
<FONT color="green">256</FONT>                                    Thread.yield();<a name="line.256"></a>
<FONT color="green">257</FONT>                                    Thread.sleep(10);<a name="line.257"></a>
<FONT color="green">258</FONT>                            } catch (Exception e) {<a name="line.258"></a>
<FONT color="green">259</FONT>                                    System.out.println("Error during sleep");<a name="line.259"></a>
<FONT color="green">260</FONT>                                    e.printStackTrace();<a name="line.260"></a>
<FONT color="green">261</FONT>                            }<a name="line.261"></a>
<FONT color="green">262</FONT>                    }<a name="line.262"></a>
<FONT color="green">263</FONT>            }<a name="line.263"></a>
<FONT color="green">264</FONT>    <a name="line.264"></a>
<FONT color="green">265</FONT>    <a name="line.265"></a>
<FONT color="green">266</FONT>            /**<a name="line.266"></a>
<FONT color="green">267</FONT>             *  Check if idle (no incoming data) and execute the idle behaviour scheme. Adds FAPs and phonemes to<a name="line.267"></a>
<FONT color="green">268</FONT>             * to the relevent buffers.<a name="line.268"></a>
<FONT color="green">269</FONT>             */<a name="line.269"></a>
<FONT color="green">270</FONT>            protected synchronized void idleBufferingScheme() {<a name="line.270"></a>
<FONT color="green">271</FONT>                    if ((!fapincoming) && (!phonemeincoming) && (getFAPBufferSize() == 0) && (getPhonemeBufferSize() == 0)) {<a name="line.271"></a>
<FONT color="green">272</FONT>                            idleAnimation(125);<a name="line.272"></a>
<FONT color="green">273</FONT>                            addAudioSilence(5000);<a name="line.273"></a>
<FONT color="green">274</FONT>                            System.gc();<a name="line.274"></a>
<FONT color="green">275</FONT>                    }<a name="line.275"></a>
<FONT color="green">276</FONT>            }<a name="line.276"></a>
<FONT color="green">277</FONT>    <a name="line.277"></a>
<FONT color="green">278</FONT>    <a name="line.278"></a>
<FONT color="green">279</FONT>            /**<a name="line.279"></a>
<FONT color="green">280</FONT>             *  Called when the client is stopped whilst rendering and talking<a name="line.280"></a>
<FONT color="green">281</FONT>             */<a name="line.281"></a>
<FONT color="green">282</FONT>            public synchronized void stopClient() {<a name="line.282"></a>
<FONT color="green">283</FONT>                    if (debug) {<a name="line.283"></a>
<FONT color="green">284</FONT>                            System.out.println("stopping client");<a name="line.284"></a>
<FONT color="green">285</FONT>                    }<a name="line.285"></a>
<FONT color="green">286</FONT>                    super.stopClient();<a name="line.286"></a>
<FONT color="green">287</FONT>                    sendData("_stop_");<a name="line.287"></a>
<FONT color="green">288</FONT>                    ignoreIncomingFAPData = true;<a name="line.288"></a>
<FONT color="green">289</FONT>                    ignoreIncomingPhData = true;<a name="line.289"></a>
<FONT color="green">290</FONT>            }<a name="line.290"></a>
<FONT color="green">291</FONT>    <a name="line.291"></a>
<FONT color="green">292</FONT>    <a name="line.292"></a>
<FONT color="green">293</FONT>            /**<a name="line.293"></a>
<FONT color="green">294</FONT>             *  A string is sent as byte data to the HTTP MetaFace server<a name="line.294"></a>
<FONT color="green">295</FONT>             *<a name="line.295"></a>
<FONT color="green">296</FONT>             *@param  data  The data to send<a name="line.296"></a>
<FONT color="green">297</FONT>             */<a name="line.297"></a>
<FONT color="green">298</FONT>            public synchronized void sendData(String data) {<a name="line.298"></a>
<FONT color="green">299</FONT>                    if (debug) {<a name="line.299"></a>
<FONT color="green">300</FONT>                            System.out.println("sending data bytes");<a name="line.300"></a>
<FONT color="green">301</FONT>                    }<a name="line.301"></a>
<FONT color="green">302</FONT>                    try {<a name="line.302"></a>
<FONT color="green">303</FONT>                            _client.send(data.getBytes());<a name="line.303"></a>
<FONT color="green">304</FONT>                    } catch (Exception e) {<a name="line.304"></a>
<FONT color="green">305</FONT>                            System.out.println("error sending to server");<a name="line.305"></a>
<FONT color="green">306</FONT>                    }<a name="line.306"></a>
<FONT color="green">307</FONT>            }<a name="line.307"></a>
<FONT color="green">308</FONT>    <a name="line.308"></a>
<FONT color="green">309</FONT>    <a name="line.309"></a>
<FONT color="green">310</FONT>            /**<a name="line.310"></a>
<FONT color="green">311</FONT>             *  Provide a service for incoming HTTP data<a name="line.311"></a>
<FONT color="green">312</FONT>             *<a name="line.312"></a>
<FONT color="green">313</FONT>             *@param  data  The incoming data<a name="line.313"></a>
<FONT color="green">314</FONT>             *@param  id    Description of the data<a name="line.314"></a>
<FONT color="green">315</FONT>             */<a name="line.315"></a>
<FONT color="green">316</FONT>            public synchronized void service(byte[] data, int id) {<a name="line.316"></a>
<FONT color="green">317</FONT>                    String s;<a name="line.317"></a>
<FONT color="green">318</FONT>                    FAPData currentfap;<a name="line.318"></a>
<FONT color="green">319</FONT>                    byte[] fapmask = new byte[9];<a name="line.319"></a>
<FONT color="green">320</FONT>                    byte[] fapvalues;<a name="line.320"></a>
<FONT color="green">321</FONT>                    boolean append = false;<a name="line.321"></a>
<FONT color="green">322</FONT>                    int i;<a name="line.322"></a>
<FONT color="green">323</FONT>                    int j;<a name="line.323"></a>
<FONT color="green">324</FONT>                    i = 0;<a name="line.324"></a>
<FONT color="green">325</FONT>    <a name="line.325"></a>
<FONT color="green">326</FONT>                    //Determine what has been received<a name="line.326"></a>
<FONT color="green">327</FONT>                    switch (id) {<a name="line.327"></a>
<FONT color="green">328</FONT>                            case HEADER:<a name="line.328"></a>
<FONT color="green">329</FONT>                            {<a name="line.329"></a>
<FONT color="green">330</FONT>                                    if (debug) {<a name="line.330"></a>
<FONT color="green">331</FONT>                                            System.out.println("got header");<a name="line.331"></a>
<FONT color="green">332</FONT>                                    }<a name="line.332"></a>
<FONT color="green">333</FONT>                                    <a name="line.333"></a>
<FONT color="green">334</FONT>                                    //Grab header and process (frame rate)<a name="line.334"></a>
<FONT color="green">335</FONT>                                    s = new String(data);<a name="line.335"></a>
<FONT color="green">336</FONT>                                    processMPEG4Header(s);<a name="line.336"></a>
<FONT color="green">337</FONT>                                    header = true;<a name="line.337"></a>
<FONT color="green">338</FONT>                                    break;<a name="line.338"></a>
<FONT color="green">339</FONT>                            }<a name="line.339"></a>
<FONT color="green">340</FONT>                            case FAP:<a name="line.340"></a>
<FONT color="green">341</FONT>                            {<a name="line.341"></a>
<FONT color="green">342</FONT>                                    if (debug) {<a name="line.342"></a>
<FONT color="green">343</FONT>                                            System.out.println("got fap");<a name="line.343"></a>
<FONT color="green">344</FONT>                                    }<a name="line.344"></a>
<FONT color="green">345</FONT>                                    <a name="line.345"></a>
<FONT color="green">346</FONT>                                    //Get FAP and determine if EOF<a name="line.346"></a>
<FONT color="green">347</FONT>                                    if (data.length &lt; 9) {<a name="line.347"></a>
<FONT color="green">348</FONT>                                            ignoreIncomingFAPData = false;<a name="line.348"></a>
<FONT color="green">349</FONT>                                            fapincoming = false;<a name="line.349"></a>
<FONT color="green">350</FONT>                                    } else {<a name="line.350"></a>
<FONT color="green">351</FONT>                                                                                    <a name="line.351"></a>
<FONT color="green">352</FONT>                                            fapincoming = true;<a name="line.352"></a>
<FONT color="green">353</FONT>                                            <a name="line.353"></a>
<FONT color="green">354</FONT>                                            //Get bitmask<a name="line.354"></a>
<FONT color="green">355</FONT>                                            for (i = 0; i &lt; 9; i++) {<a name="line.355"></a>
<FONT color="green">356</FONT>                                                    fapmask[i] = data[i];<a name="line.356"></a>
<FONT color="green">357</FONT>                                            }<a name="line.357"></a>
<FONT color="green">358</FONT>                                            if (!ignoreIncomingFAPData) {<a name="line.358"></a>
<FONT color="green">359</FONT>                                                    <a name="line.359"></a>
<FONT color="green">360</FONT>                                                    //Get values<a name="line.360"></a>
<FONT color="green">361</FONT>                                                    j = 0;<a name="line.361"></a>
<FONT color="green">362</FONT>                                                    fapvalues = new byte[data.length - 9];<a name="line.362"></a>
<FONT color="green">363</FONT>                                                    for (i = 9; i &lt; data.length; i++) {<a name="line.363"></a>
<FONT color="green">364</FONT>                                                            fapvalues[j] = data[i];<a name="line.364"></a>
<FONT color="green">365</FONT>                                                            j++;<a name="line.365"></a>
<FONT color="green">366</FONT>                                                    }<a name="line.366"></a>
<FONT color="green">367</FONT>                                                    <a name="line.367"></a>
<FONT color="green">368</FONT>                                                    //Decode bytes and add to buffer<a name="line.368"></a>
<FONT color="green">369</FONT>                                                    addFrameToBuffer(new FAPData(fapmask, fapvalues));<a name="line.369"></a>
<FONT color="green">370</FONT>                                            }<a name="line.370"></a>
<FONT color="green">371</FONT>                                    }<a name="line.371"></a>
<FONT color="green">372</FONT>                                    break;<a name="line.372"></a>
<FONT color="green">373</FONT>                            }<a name="line.373"></a>
<FONT color="green">374</FONT>                            case PHONEMES:<a name="line.374"></a>
<FONT color="green">375</FONT>                            {<a name="line.375"></a>
<FONT color="green">376</FONT>                                    if (debug) {<a name="line.376"></a>
<FONT color="green">377</FONT>                                            System.out.println("got phoneme");<a name="line.377"></a>
<FONT color="green">378</FONT>                                    }<a name="line.378"></a>
<FONT color="green">379</FONT>                                    s = new String(data);<a name="line.379"></a>
<FONT color="green">380</FONT>                                    <a name="line.380"></a>
<FONT color="green">381</FONT>                                    //Determine of EOF<a name="line.381"></a>
<FONT color="green">382</FONT>                                    if (s.indexOf("\n") == 1) {<a name="line.382"></a>
<FONT color="green">383</FONT>                                            ignoreIncomingPhData = false;<a name="line.383"></a>
<FONT color="green">384</FONT>                                            phonemeincoming = false;<a name="line.384"></a>
<FONT color="green">385</FONT>                                    } else {<a name="line.385"></a>
<FONT color="green">386</FONT>                                            <a name="line.386"></a>
<FONT color="green">387</FONT>                                            //Add to buffer<a name="line.387"></a>
<FONT color="green">388</FONT>                                            if (!ignoreIncomingPhData) {<a name="line.388"></a>
<FONT color="green">389</FONT>                                                    addPhonemeToBuffer(s);<a name="line.389"></a>
<FONT color="green">390</FONT>                                            }<a name="line.390"></a>
<FONT color="green">391</FONT>                                            phonemeincoming = true;<a name="line.391"></a>
<FONT color="green">392</FONT>                                    }<a name="line.392"></a>
<FONT color="green">393</FONT>                                    break;<a name="line.393"></a>
<FONT color="green">394</FONT>                            }<a name="line.394"></a>
<FONT color="green">395</FONT>                            case TEXT:<a name="line.395"></a>
<FONT color="green">396</FONT>                            {<a name="line.396"></a>
<FONT color="green">397</FONT>                                    //Get text<a name="line.397"></a>
<FONT color="green">398</FONT>                                    if (debug) {<a name="line.398"></a>
<FONT color="green">399</FONT>                                            System.out.println("got text");<a name="line.399"></a>
<FONT color="green">400</FONT>                                    }<a name="line.400"></a>
<FONT color="green">401</FONT>                                    s = new String(data);<a name="line.401"></a>
<FONT color="green">402</FONT>                                    if (append) {<a name="line.402"></a>
<FONT color="green">403</FONT>                                            appendSpeechText(s);<a name="line.403"></a>
<FONT color="green">404</FONT>                                    } else {<a name="line.404"></a>
<FONT color="green">405</FONT>                                            setSpeechText(s);<a name="line.405"></a>
<FONT color="green">406</FONT>                                    }<a name="line.406"></a>
<FONT color="green">407</FONT>                                    break;<a name="line.407"></a>
<FONT color="green">408</FONT>                            }<a name="line.408"></a>
<FONT color="green">409</FONT>                            case HTMLREF:<a name="line.409"></a>
<FONT color="green">410</FONT>                            {<a name="line.410"></a>
<FONT color="green">411</FONT>                                    //Get URLs<a name="line.411"></a>
<FONT color="green">412</FONT>                                    if (debug) {<a name="line.412"></a>
<FONT color="green">413</FONT>                                            System.out.println("got URL");<a name="line.413"></a>
<FONT color="green">414</FONT>                                    }<a name="line.414"></a>
<FONT color="green">415</FONT>                                    String target;<a name="line.415"></a>
<FONT color="green">416</FONT>                                    String url;<a name="line.416"></a>
<FONT color="green">417</FONT>                                    <a name="line.417"></a>
<FONT color="green">418</FONT>                                    //Seperate URL from target<a name="line.418"></a>
<FONT color="green">419</FONT>                                    s = new String(data);<a name="line.419"></a>
<FONT color="green">420</FONT>                                    i = s.indexOf("->");<a name="line.420"></a>
<FONT color="green">421</FONT>                                    url = s.substring(0, i);<a name="line.421"></a>
<FONT color="green">422</FONT>                                    target = s.substring(i + 2, s.length());<a name="line.422"></a>
<FONT color="green">423</FONT>                                    displayHTML(target, url);<a name="line.423"></a>
<FONT color="green">424</FONT>                                    break;<a name="line.424"></a>
<FONT color="green">425</FONT>                            }<a name="line.425"></a>
<FONT color="green">426</FONT>                    }<a name="line.426"></a>
<FONT color="green">427</FONT>            }<a name="line.427"></a>
<FONT color="green">428</FONT>    }<a name="line.428"></a>
<FONT color="green">429</FONT>    <a name="line.429"></a>




























































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